Parker Check Valve, 1/4 in, Single, Inline, PTFE, FNPT x FNPT – CV-1-1144
PTFE Check Valves, Cracking pressure: 0.25 to 0.75 psi,PTFE construction allows for high chemical resistance and purity without the need of O-rings for sealing. Machined PTFE spring allows for low cracking pressure and minimal back pressure for resealing. Suitable for use in high purity semiconductor applications and for ultra-pure water and aggressive chemical or gas applications.